<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
        <!-- 搜索的格栅 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 渲染数据的表格 -->
      <el-table :data="goodlist" border stripe>
        <el-table-column type='index'></el-table-column>
        <el-table-column label='商品名称' prop="goods_name"></el-table-column>
        <el-table-column label='商品价格(元)' prop="goods_price" width="95px"></el-table-column>
        <el-table-column label='商品重量' prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label='创建时间' width="140px">
            <template slot-scope="scope">
                <!-- 把时间戳渲染为 年月日的格式 -->
                {{ scope.row.add_time | dateFormat}}
            </template>
        </el-table-column>
        <el-table-column label='操作' width="130px">
            <!-- 按钮添加 -->
            <template slot-scope="scope">
                 <el-button type="primary" icon='el-icon-edit' size='mini'></el-button>
            <el-button type='danger' icon='el-icon-delete' size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 20, 30]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      // 请求数据 分页
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodlist: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取列表失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodlist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    handleCurrentChange (newnum) {
      this.queryInfo.pagenum = newnum
      this.getGoodsList()
    },
    // 删除商品
    async removeById (id) {
      const res = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (res !== 'confirm') { return }
      const { data: res1 } = await this.$http.delete(`goods/${id}`)
      if (res1.meta.status !== 200) return this.$message.error('请检查网络')

      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
